Question

2. (TCO3) An analog signal with a frequency of 5 kHz is sampled
using a sampling rate of 8 kHz. Which one of the following is true?
(Points : 3)
Sampling condition is violated and there is no frequency between 0
kHz and Nyquist limit (4 kHz).
Sampling condition is not violated and there is a 1 kHz frequency
between 0 kHz and Nyquist limit (4 kHz).
Sampling condition is violated and there is a 3 kHz frequency
between 0 kHz and Nyquist limit (4 kHz).
Sampling condition is not violated and there is no frequency
between 0 kHz and Nyquist limit (4 kHz).